Alert archive / Iowa / Flash Flood Warnings in 2005
Flash Flood Warning 9, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 25, 2005, 11:29 PM CDT for Webster County, Iowa. It was in force for 6 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 25, 2005, 11:29 PM CDT (04:29 UTC)
- Expired
- Jun 26, 2005, 5:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
- Area
- Counties, with a storm outline in the text
County Webster County, IA
The radar
The Des Moines radar (KDMX), 90 km from the middle of the area, began a volume at 04:31 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 11:34 PM CDT | FLASH FLOOD | 4 Nw Fort Dodge Regiona, IA | 2 INCHES OF RAIN IN PAST FEW HOURS. WATER FLOWING OVER GRAVEL ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 4.5 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3029 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1252 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 301 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KDMX 260432 FFWDMX IAC187-261030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 1129 PM CDT SAT JUN 25 2005 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * FLASH FLOOD WARNING FOR... WEBSTER COUNTY IN CENTRAL IOWA. * UNTIL 530 AM CDT. * AT 1127 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED 1 TO 2 INCHES OF RAINFALL WITH MORE RAIN EXPECTED. * SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FORT DODGE...GOWRIE...BADGER...BARNUM...CALLENDER... CLARE...DAYTON...FORT DODGE REGIONAL AIRPORT...HARCOURT...LEHIGH... MOORLAND AND OTHO. THOUGH NO REPORTS HAVE BEEN RECEIVED AT THIS TIME AFTER LAST NIGHTS RAINS OF AROUND 6 INCHES...RAINFALL THIS EVENING AND MORE RAIN EXPECTED OVERNIGHT THIS COULD EASILY BECOME A DANGEROUS SITUATION. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. A FLASH FLOODING WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN DES MOINES. LAT...LON 4264 9402 4224 9399 4224 9437 4262 9441 $$ FORSTER
5 follow-up statements
000 WGUS73 KDMX 260541 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 1239 AM CDT SUN JUN 26 2005 IAC187-261030- WEBSTER IA- 1239 AM CDT SUN JUN 26 2005 ...FLASH FLOOD WARNING CONTINUES FOR WEBSTER COUNTY UNTIL 530 AM CDT... AT 1235 AM CDT...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL RATES OF 1 TO 2 INCHES PER HOUR. SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FORT DODGE...GOWRIE...BADGER...BARNUM...CALLENDER... CLARE...DAYTON...DUNCOMBE...FORT DODGE REGIONAL AIRPORT...HARCOURT... LEHIGH...MOORLAND...OTHO AND VINCENT. A TRAINED NWS SPOTTER REPORTED TWO INCHES OF RAIN IN AN HOUR. THERE WAS WATER REPORTED FLOWING OVER A GRAVEL ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND...DONT DROWN $$ FORSTER
000 WGUS73 KDMX 260704 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 203 AM CDT SUN JUN 26 2005 IAC187-261030- WEBSTER IA- 203 AM CDT SUN JUN 26 2005 ...FLASH FLOOD WARNING CONTINUES FOR WEBSTER COUNTY UNTIL 530 AM CDT... AT 157 AM CDT...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED RAIN TOTALS OF IN EXCESS OF TWO INCHES. SLOW MOVING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...FORT DODGE...GOWRIE...BADGER...BARNUM...CALLENDER... CLARE...DAYTON...DUNCOMBE...FORT DODGE REGIONAL AIRPORT...HARCOURT... LEHIGH...MOORLAND...OTHO AND VINCENT. LAW ENFORCEMENT REPORTED HIGHWAY 7 BETWEEN FORT DODGE AND ROCKWELL CITY CLOSED DUE TO HIGH WATER RUNNING OVER THE ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. TURN AROUND...DONT DROWN $$ FORSTER
000 WGUS73 KDMX 260824 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 319 AM CDT SUN JUN 26 2005 IAC187-261030- WEBSTER IA- 319 AM CDT SUN JUN 26 2005 ...FLASH FLOOD WARNING CONTINUES FOR WEBSTER COUNTY UNTIL 530 AM CDT... AT 315 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT HEAVY RAINS WERE DECREASING OVER THE WARNED AREA. LAW ENFORCEMENT REPORTED THAT WATER WAS SLOWLY BEGINNING TO RECEDE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN DES MOINES. $$ RUSSELL
000 WGUS73 KDMX 260908 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 403 AM CDT SUN JUN 26 2005 IAC187-261030- WEBSTER IA- 403 AM CDT SUN JUN 26 2005 ...FLASH FLOOD WARNING CONTINUES FOR WEBSTER COUNTY UNTIL 530 AM CDT... AT 405 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED LIGHT TO MODERATE RAIN OVER THE WARNED AREA...AND MOST OF THE HEAVY RAINS FARTHER TO THE EAST. A FEW BRIEF HEAVY RAINS ARE STILL POSSIBLE THROUGH 5 AM OVER WEBSTER COUNTY HOWEVER....FURTHER AGGRAVATING LOCATIONS WHERE FLOODING IS OCCURRING OR SLOWLY RECEDING. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. $$ RUSSELL
000 WGUS73 KDMX 261031 FFSDMX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 530 AM CDT SUN JUN 26 2005 IAC187-261040- WEBSTER IA- 530 AM CDT SUN JUN 26 2005 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WEBSTER COUNTY HAS BEEN ALLOWED TO EXPIRE... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. $$ RUSSELL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 10:26 PM CDT | Severe Thunderstorm Warning | DMX | Humboldt, Webster | 49 min |
| Jun 25, 10:39 PM CDT | Severe Thunderstorm Warning | DMX | Wright | 66 min |
| Jun 25, 11:00 PM CDT | Tornado Warning | DMX | Hamilton, Wright | 45 min |
| Jun 25, 11:43 PM CDT | Flash Flood Warning | DMX | Franklin, Wright | 6 hr |
| Jun 25, 11:47 PM CDT | Flash Flood Warning | DMX | Calhoun | 6 hr |
Nearby
Flash Flood Warnings in Iowa, 2005Every flash flood warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.